Patent US4333469A successfully refreshed from Google Patents.
Patent US2648877A successfully refreshed from Google Patents.
US2648877A
Expired / Lapsed
US
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Building construction
Assignee: AMERICAN HOUSES Inc
•
Filing: 1948-10-23
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Granted: 1953-08-18
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Expires: 1968-10-23
Abstract
No abstract record available.
Inventors
- 👤 Howard P Vermilya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/10; E04B1/0007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2302101A
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |